Schematic Diagram - D-Amp Board (4/4) - Sony STR-DA7100ES Service Manual

STR-DA7100ES
6-64. SCHEMATIC DIAGRAM – D-AMP BOARD (4/4) –
(4/4)
C1726 D1539
0.1 1SS355
D1456
EC10QS04
-TE12L5 C1630
IC1437
HIP2101IBZT
DIGITAL POWER AMP
A1
A2
D1450
EC10QS04
-TE12L5 C1611
C1610
330
16V
A3
A4
IC1436
HIP2101IBZT
DIGITAL POWER AMP
D1448
EC10QS04
-TE12L5 C1600
DIGITAL POWER AMP
A5
A6
IC1433
HIP2101IBZT
C1584
330
16V
D1442
EC10QS04
-TE12L5 C1585
(Page 123)
A7
A8
A9
IC1431
HIP2101IBZT
C1554
330
16V
C1532
330 DIGITAL POWER AMP
16V
A10
A11
A12
A13
A14
A15
D1440
EC10QS04
-TE12L5
D1434
EC10QS04
-TE12L5
D1458
EC10QS04
-TE12L5
D1427
EC10QS04
-TE12L5
A16
A17
STR-DA7100ES
See page 156 for IC Block Diagrams.
Q1449,1452,1455,1458
Q1449 Q1452 TEMP DETECT
2SC2713G 2SC2713G
-TE85L -TE85L
R1655 R1657
0 0
TH1404 TH1405
R1650 R1651
6.8k C1635 6.8k C1636
0.1 0.1
C1719 C1727 D1538 C1720 C1728
2.2 0.1 1SS355 2.2 0.1
R1647 C1632
R1646 C1631
4.7k 0.1
4.7k 0.1
R1642 R1643
1k 1k
0.1
Q1445,1446
BOOSTER
C1629
0.1
100V
S S
C1627
C1617 C1618
R1641 3.3 470
0.1 0.1
100V
100V 100V
R1639 4.7
D1452 D1455
SD833-09 SD833-09
-TE12R -TE12R
D1453 D1454
0.1
SD833-09 SD833-09
-TE12R -TE12R
C1608
0.1
100V
S S
R1629 3.3
C1605
C1603 C1604 470
0.1 0.1 100V
100V 100V
R1625 4.7
Q1442,1444
BOOSTER
0.1
Q1440,1441
BOOSTER
C1599
0.1
100V
S S
R1621 3.3
C1594
C1590 C1591 470
0.1 0.1 100V
100V 100V
R1615 4.7
D1444 D1446
SD833-09 SD833-09
-TE12R -TE12R
D1445 D1447
0.1
SD833-09 SD833-09
-TE12R -TE12R
C1583
0.1
100V
S S
C1581
C1579 C1580 470
R1611 3.3
0.1 0.1 100V
100V 100V
R1607 4.7
Q1437,1439
BOOSTER
Q1455 Q1458
2SC2713G 2SC2713G
-TE85L -TE85L
R1659 R1661
0 TH1406 0 TH1407
R1652 R1653
6.8k C1637 6.8k C1638
0.1 0.1
D1537 C1721 C1729 D1536 R1645
1SS355 2.2 0.1 1SS355 1k
R1649 C1634
R1648 C1633
4.7k 0.1
R1644 4.7k 0.1 C1722
1k 2.2
DIGITAL POWER AMP
C1575 0.1 Q1435,1436
BOOSTER
C1574
0.1
100V
S
R1603 3.3
R1597 4.7
IC1428
HIP2101IBZT
D1436
SD833-09
-TE12R
D1437 D1439
SD833-09 SD833-09
C1555 0.1 -TE12R -TE12R
C1553
0.1
100V
S
R1592 3.3
R1588 4.7
IC1427
HIP2101IBZT Q1432,1434
BOOSTER
DIGITAL POWER AMP
C1547 0.1
C1545
0.1
100V
S
R1585 3.3
R1579 4.7
IC1424
HIP2101IBZT
DIGITAL POWER AMP
D1429
SD833-09
-TE12R
D1430 D1431
SD833-09 SD833-09
C1530 0.1 -TE12R -TE12R
C1529
0.1
100V
S
R1575 3.3
R1573 4.7
IC1423
HIP2101IBZT
DIGITAL POWER AMP
Q1426,1428
BOOSTER
When either Power MOS among those shown below on the D-AMP board is to be replaced, replace four pieces
bracketed with [ ] at the same time, because these four Power MOS could be all defective.
[Q1412, 1413, 1414, 1415], [Q1417 ,1418, 1419, 1420], [Q1422, 1423, 1424, 1425], [Q1426, 1428, 1429,
1430], [Q1432, 1434, 1435, 1436], [Q1437, 1439, 1440, 1441], [Q1442, 1444, 1445, 1446]
Also, when replacing them, be sure to destroy the Power MOS main
124 124
I_LIMIT
HIC GND
TEMP(HIC)
+10V
(Page 122)
OUT-SL-A
R1632
0.05
1W
R1631
0.05
1W
C1522
R1624 1000p
100 100V
R1622 D1532
Q1443 10k 1SS355
2SA1163G
-TE85L
I.PROTECT G-SL
OUT-SL-B
(Page 126)
R1613
0.05
1W
R1612
0.05
1W
C1424
R1606 1000p
100 100V
Q1438 D1533
R1605
2SA1163G 1SS355
10k
-TE85L
G-SR
I.PROTECT
OUT-SR-A
OUT-SR-B
CN1406
6P
C1411
S 100p
C1569
C1560 C1561 470
0.1 0.1 100V
100V 100V (Page 117)
OUT-SBL-A
G-SBL
OUT-SBL-B
R1594
0.05
1W
S R1593
0.05
Q1433
1W
2SA1163G
C1551
-TE85L
C1549 C1550 470
0.1 0.1 100V I.PROTECT
100V 100V C1428
1000p
R1587
100V
100
R1586 D1534
10k 1SS355
OUT-SBR-A
Q1429,1430
(Page 126)
BOOSTER
S
C1540
C1537 C1538 470
0.1 0.1 100V
100V 100V
G-SBR
OUT-SBR-B
R1577
0.05
1W
R1576
S C1430
0.05
C1527 1000p
1W
C1525 C1526 470 D1535 100V
SL
0.1 0.1 100V 1SS355
100V 100V
SR
SBL
R1570
100 SBR
GND
R1569
(Page 126)
10k
Q1427 CN1504
2SA1163G 5P
-TE85L
I.PROTECT